APA (7e ed.) Bronvermelding

Santos, O. L. (1968). A cross section analysis of technical manpower in transportation and commerce: Manila labor market area, 1965.

Chicago (17e ed.) Bronvermelding

Santos, Onofre L. A Cross Section Analysis of Technical Manpower in Transportation and Commerce: Manila Labor Market Area, 1965. 1968.

MLA (9e ed.) Bronvermelding

Santos, Onofre L. A Cross Section Analysis of Technical Manpower in Transportation and Commerce: Manila Labor Market Area, 1965. 1968.